Solar Express 50 MPF300T-1FCVG484E PolarFire FPGA from Microchip Two 1024×16 DDR4 chips for RAM (4GB of DDR4) PCIe x1 Gen2 as EP Samtec SS4-30-3.00-L-D-K I/O connector for GPIOs and transceivers Additional GPIO with FPGA processing More info